What is Ultram? How is it used? Ultram is a prescription medication. Ultram’s safety and effectiveness in children under 17 years old are unknown. What side effects could Ultram have? Side effects of Ultram include: Loud breathing Sighing. Breathing shallow slow heart rate or weak pulse, lightheadedness, seizure (convulsions), nausea, vomiting, Appetite loss dizziness, an Worsening fatigue or weakness Constipation […]